Nozzle valve lever stop

ABSTRACT

A safety device applied to a pump discharge nozzle to prevent the nozzle being hung on a pump standard with the nozzle valve opened.

United States Patent [191 Kisor NOZZLE VALVE LEVER STOP [75] Inventor: Ray C. Kisor, St. Louis, Mo.

[73] Assignee: Husky Corporation, Kirkwood, M0.

[22] Filed: Jan. 5, 1973 [21] Appl. No.: 321,202

[52] US. Cl. 222/74, 248/75 [51] Int. Cl B67d 5/32 [58] Field of Search l37/355.16; 248/203, 309,

[56] References Cited V UNITED STATES PATENTS 3,072,294 1/1963 Myers 222/74 Apr. 30, 1974 2/1955 Henry 222/74 X 9/1966 Carderm", l4l/206 Primary Examiner-Robert B. Reeves Assistant ExaminerLarry H. Martin Attorney, Agent, or FirmBedell and Burgess ABS I RACT A safety device applied to a pump discharge nozzle to prevent the nozzle being hung on a pump standard with the nozzle valve opened.

4 Claims, 4 Drawing Figures 1 NOZZLE VALVE LEVER STOP BACKGROUND OF THE INVENTION It is a common practice in gasoline filling stations for an attendant to insert the spout of a pump discharge nozzle in the opening of an automobile gasoline tank and set'a valvehold-open latch on the nozzle while he cleans the car windshield, checks oil, battery and radiator water, etc., or waits on another customer. The latch is released by the attendant when the nozzle is removed. If the discharge stream is attenuated or if the attendant is careless and the valve release not completed,'the nozzle may be returned to the pump standard or boot while still discharging gasoline.

BRIEF DESCRIPTION OF THE DRAWINGS ported on the shelf of a pump standard or boot withthe nozzle handguard straddling a shelf lug. The hold-open latch is still functioning because thelatch is not completely released from the rack.

FIG. 3 corresponds generally to FIG. 2 but includes the safety pawl feature of the present invention-shown, in broken lines, in engagement with the lock lug on the pump shelf and preventing the nozzle being hung up as indicated in FIG. 2. The safety pawl is shown in solid lines in position to permit the handguard to straddlethe lock lug on the boot shelf and rest on the shelf.

FIG. 4 is a section on line 44 of FIG. 3 showing the safety pawl and valve handle in the solid-line valvereleased position of FIG. 3.

DETAILED DESCRIPTION 7 is pivoted at 11 on the body and a spring (not shown) normally thrusts the valve to a position with lever 7, as shown in full lines in FIG. 3. When lever 7 is raised against the thrust of the valve spring to open the valve, the attendant presses a hold-open latch 8, pivoted to the handle at 9, into contact with a rack tooth on handguard 3.

After the tank is filled or has received a desired amount of gasoline, the attendant raises lever 7 to release hold-open latch 8 from the engaged rack tooth and the valve spring automatically closes the valve and returns the lever 7 to the full-line position shown in FIG. 3. Spout 4 is then withdrawn from the tank, the nozzle up-ended and the spout inserted in an opening 15 in pump standard 16 and the slotted rear end of handguard 3 faces downwardly and straddles a lug 18 on pump standard shelf 19 and the nozzle is supported in the upright position shown in FIG. 2.

But if the attendant is careless and has not shifted hold-open latch 8 clear of engagement with all of the rack teeth, lever 7 remains engaged with a tooth and gasoline continues to discharge from the spout until the undesired'tlow is noticed'and thehold-op'en latch comple'tely released. 1

Toprevent such undesired wasted discharge of gasoline, there is here=provideda bafflecomprising a safety pawl 21 '(FIG. 3) pivoted to handguard 3 at 22 and thrust by aspring 23 in' an anticlockwise direction to the position shown inbroken linesin'FIG. 3 where it engages a cross rib '24 on the handguard so that its lower end is spaceda Short distance abovethe swinging outerend of lever '7 and prevents't he safety pawl'from being swung by its spring;23j to'thefull-line position indicated in "FIG. 3.

Accordingly, "the'nozzleicannot be lowered to straddle locklug 18' but supports the-nozzlein'the upper end of lug 18, asshown inbroken linesin FIG. 3. This holds the'nozzle so high that'the upper end of spout 4 cannot be'i'nserted in opening '15 inthe pump standard so that the handguard may'rest on shelf 19but the nozzle will topple over and'therebydirect' attention to the fact that lever 7 is not released. Thereupo'nithe attendant will complete release of latch 8 and safety pawl spring 23 will swing the pawl clear offthe pathof lever 7 which may return to its no'rmal'position in'the nozzle with the valve closed and the nozzle handguard may straddle lug 18 and rest on shelf 119,

The shape and 'pivoting'of the safety pawl features may be varied without affecting its function in blocking the movement of theleve'r "and the functioning of the pawlas described aboveand recitedinthe accompanying claims.

I claim: I Y I 1. In a liquid dispensing nozzle including a control valve, ahand leverfor opening saidvalve, a device for holding said lever in valve-opening position, a double wall handguard for said-lever adapted to receive a projection upon a support bracket when the nozzle is not in use, and means separate from said holding device preventing applicationofsaid handguard to said sup- -rport bracket when said hand lever is in functioning position, said last-named means beingnormally resiliently biased into handguard blocking position and retained thereinby said lever when said lever is in valve-opening position and freed for movement from said blocking position when said lever is in valve-closed position.

2. In a liquid dispensing nozzle, a valve'resiliently biased toward closed position, aha'nd "lever for opening said valve, a handguard enclosing said lever "and having an opening for receiving a support bracket element when the nozzle is "not in use, a baffle for said opening resiliently biased'to close said opening and arranged for "positive retention in closed position by engagement with said lever when said leveris in valve-opening position, said, baffle being disengaged from said lever and thereby freed for movement away from said opening when said lever is in nonfunctioning position.

3. In' a liquid dispensing nozzle, a body including a handle, a handguard extending therefrom and shaped to support'the nozzle on a 'pump member when not in use, there being a valve in said body and a valve opening lever enclosed between the handle and the handguard, a latch pivoted on said lever and engageable with said handguard to hold the lever in valve-opening position, and a safety pawl pivoted on the handguard to block the mounting of the handguard on a support member if said lever is in valve-opening position, said safety pawl being resiliently biased into blocking position and retained therein by engagement with said lever handguard blocking said slot from receiving said lug on said'shelf when the hold-open device is functioning, said hold-open device being spring-actuated to nonfunctioning position when the device is manually released, said safety member beingresiliently biased into blocking relation with said handguard slot and retained therein when said hold-open device is functioning and released from such retention when said device is spring-actuated to inoperative position.

UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. I 3 6 Y Dated April 30, 1974 Inventor(s) y lSOr It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:

In the drawing, FIG. 3, the upper reference numeral "23" located slightly above and to the right of numeral "8",

should Zoe-deleted.

Si gned and sealed this 27th day of August 1974.

; (SEAL) Attest:

MCCQY M. GIBSON, J'R. C. MARSHALL DANN Attesting Officer Commlssloner of Patents ORM PO-IOSO (10-69) USCOMM-DC 6376-P69 i U. S. GOVERNMENT PRINTING OFFICE: I965 0-356-334 

1. In a liquid dispensing nozzle including a control valve, a hand lever for opening said valve, a device for holding said lever in valve-opening position, a double wall handguard for said lever adapted to receive a projection upon a support bracket when the nozzle is not in use, and means separate from said holding device preventing application of said handguard to said support bracket when said hand lever is in functioning position, said last-named means being normally resiliently biased into handguard blocking position and retained therein by said lever when said lever is in valve-opening position and freed for movement from said blocking position when said lever is in valve-closed position.
 2. In a liquid dispensing nozzle, a valve resiliently biased toward closed position, a hand lever for opening said valve, a handguard enclosing said lever and having an opening for receiving a support bracket element when the nozzle is not in use, a baffle for said opening resiliently biased to close said opening and arranged for positive retention in closed position by engagement with said lever when said lever is in valve-opening position, said baffle being disengaged from said lever and thereby freed for movement away from said opening when said lever is in nonfunctioning position.
 3. In a liquid dispensing nozzle, a body including a handle, a handguard extending therefrom and shaped to support the nozzle on a pump member when not in use, there being a valve in said body and a valve opening lever enclosed between the handle and the handguard, a latch pivoted on said lever and engageable with said handguard to hold the lever in valve-opening position, and a safety pawl pivoted on the handguard to block the mounting of the handguard on a support member if said lever is in valve-opening position, said safety pawl being resiliently biased into blocking position and retained therein by engagement with said lever when said lever is in valve-opening position and freed for movement out of blocking position by disengagement from said lever when said lever is in nonfunctioning position.
 4. In combination, a liquid pump standard having a support shelf, an upstanding lug thereon, a hose leading from said pump, a discharge nozzle thereon having a handguard with a slot receiving said lug when said nozzle is mounted thereon, there being a valve in said nozzle and a hold-open device for said valve, and a safety member separate from said hold-open device on said handguard blocking said slot from receiving said lug on said shelf when the hold-open device is functioning, said hold-open device being spring-actuated to nonfunctioning position when the device is manually released, said safety member being resiliEntly biased into blocking relation with said handguard slot and retained therein when said hold-open device is functioning and released from such retention when said device is spring-actuated to inoperative position. 